8th grade geometry
How do I find the answer to the following question without knowing the 3rd vertices? Graph a triangle with vertices (3,-2), (-3,2) and height of 3 units. The answer is supposed to be (3, -2), (0,1) and (-3, -2).October 5, 2015

Maths
How would you work out when this function turns and goes in a different direction? (like a turning point for a parabola): s=0.2t(t-5.1)(t-9.1)October 1, 2015

8th grade algebra
We did graphing reflections of images homework from the book with problems that gave the vertices for each figure and said either reflect over x or y. This time, the homework is a worksheet and directions are to graph the reflection across either x or y with some value. ...September 16, 2015

Chemistry
CaO +H2O= Ca(OH)2 The initial mass plus the test tube is 10.860g after picking up water to give calcium hydroxide the total mass of the tube and ca(oh)2 is 11.149g What is the mass of the test tube? ..I did 11.149-10.86=.289 h2o , 40.08/56.08=ca % 16/56.08=o% then I got lost...September 15, 2015

Social Studies
Please check my answers :) 1. Which of the following means producing just enough to meet the families' needs, with little left to sell or exchange? a. harvesting b. substance farming**** c. cash crop d. tidewater farming 2. The Proclamation of 1763 called for a. settlers ...September 15, 2015

Algebra
While touring a city ,you see a skyscraper and wonder how tall is it.You see that it is clearly divided into floors.You estimate that each floor is 20 feet high.You count that the skyscraper has122 floors.How tall is this skyscraper ?August 22, 2015

British lit
I need help with a few questions. They need to be answered to help me write an essay on Neoclassicism. Please help me. Thank you! 1. Throughout his career, critics accused John Dryden of catering to people in political power. Does Annus Mirabilis fit this accusation? Why or ...June 17, 2015

basic english
The gist of the saying went something like this: If a person wants to get ahead in life, you have to be willing to work for it. Which of the following language conventions is violated in the sentence above? Use of a colon Verb tense Pronoun-antecedent agreement Punctuation of ...May 26, 2015

Possessive pronoun english
Which of the following sentences contains a possessive pronoun? The beautiful red sweater was hers. She and I went to the beach. Shes the one to do the job correctly. It is only right that the trophy belongs to her. is this one A?May 26, 2015

sentence fluency english
Which of the following options best demonstrates sentence fluency? The two boys went to the store to buy some milk with their mother and her boyfriend, who had a broken foot after supper. The two boys went to the store to buy some milk after supper with their mothers ...May 26, 2015

basic english
1. Understanding which flavors complement each other can take years of practice. 2. Following these basic tenets will allow you to produce recipes that your friends and family will love to share. 3. Once you've mastered flavor combinations, however, there's no end to ...May 26, 2015

basic english
The president invited Senator Smith to the White House for a meeting before preparing his address to the United States congress. Which of the following is an error in capitalization in the sentence above? The word president should be capitalized The word ...May 26, 2015

Analytic Geometry
Water spouts from a horizontal pipe 12 meters above the ground. Three meters below the line of the pipe, the water trajectory is at a horizontal distance of 5 meters from the water outlet. How far from the water outlet will the stream of the water hit the ground?May 11, 2015

Analytic Geometry
A parabolic suspension bridge cable is hung between two supporting towers 120 meters apart and 35 meters above the bridge deck. The lowest point of the cable is 5 meters above the deck. Determine the lengths of the tension members 20 meters and 40 meters from the bridge center.May 11, 2015

Language Arts
Writeacher the story is Mieko and Fifth Treasure the author I don't know but its in my unit test I don't really use the book.May 8, 2015

7th grade math (probability)
I'm re-posting corrections originally from Wednesday in addition to new ones. Still not sure how to answer #4. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will roll an even number ...May 8, 2015

7th grade math (probability)
I'm posting corrections from yesterday in addition to new ones. Still not sure how to answer #4. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will roll an even number and choose a ...May 6, 2015

7th grade math (probability)
I'm posting corrections. Still not sure how to answer last question. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will roll an even number and choose a red color? Ans: P(even)*P(red...May 5, 2015

7th grade math (probability)
1. Cmdr's coffee shop offers a coffee special with coffee syrups of vanilla, chocolate, and caramel. You can also choose between a latte, and cappuccino. How many different coffees can you make for the special? Ans: 6 (VLatte, ChocLatte, CLatte; VCap, ChocCap, CCap) 2. ...May 5, 2015

Math - 7th grade
Can you check/explain the following: 1. If you roll a number cube 66 times, how many times should you expect to roll a 1? a. 9 times b. 11 times c. 8 times d. 10 times Ans. P(1) = favorable outcome/possible outcome = 66/396 , (1 x 66rolls, and 6sides x 66 rolls = 396) = 16.66...May 5, 2015

chemistry--last time i promise
CO(g) + H2O(g)-->CO2 + H2 (g) reaction occurs in a 2.0 Ll reactor at 800 degrees celsius. The reaction conditions are such that a complete conversion of reactants into products results. The reactor is charged initially with 5.0 atm of CO and 8.0 atm of water vapor. ...May 3, 2015

Chemistry
A scuba tank contains heliox, a special breathing gas composed of 5.0% oxygen and the remainder helium, for use by divers that spend extended amounts of time at depth underwater. The volume of the tank is 20 L and the pressure within it is 1500 lb/in2. Calculate the mass in ...May 3, 2015

Consumer math
Chucks Computer Corporation has 10,000 shares of stock outstanding. A. If it declares dividends of 12,000, what is the divided per share of stock? B. what would you share of the declared dividend if your owned 50 shares? Thanks for the help.April 30, 2015

Analytic Geometry
The line segment joining a vertex of a triangle and the midpoint of the opposite side is called the median of the triangle. Given a triangle whose vertices are A(4,-4), B(10, 4) and C(2, 6), find the point on each median that is two-thirds of the distance from the vertex to ...April 23, 2015

Analytic Geometry
The ordinate of a point P is twice the abscissa. This point is equidistant from (-3, 1) and (8,-2). Find the coordinates of P.April 22, 2015

physics
A 4.00 kg ball traveling North with a momentum of 11.2 kg.m/s collides with a 6.0 kg ball traveling West with a momentum of 18 kg.m/s. The two balls stick together and head off as one. What is the momentum of the combined masses? What is the velocity of the combined masses?April 19, 2015

AP Physics
The white ball in the figure has a speed of 1.67 m/s and the yellow ball is at rest prior to an elastic glancing collision. After the collision the white ball has a speed of 1.43 m/s. To the nearest tenth of a degree, measured counterclockwise from east, what angle does it ...April 18, 2015

Chemistry
Which of the following processes are spontaneous? (Select all that apply.) a. average car prices increasing b. a soft-boiled egg becoming raw c. a satellite falling to Earth d. water decomposing to H2 and O2 at 298 K and 1 atm I thought it would c and maybe dApril 18, 2015

AP Physics
The white ball in the figure has a speed of 1.67 m/s and the yellow ball is at rest prior to an elastic glancing collision. After the collision the white ball has a speed of 1.43 m/s. To the nearest tenth of a degree, measured counterclockwise from east, what angle does it ...April 18, 2015

physics
Anna applies a force of 19.5 newtons to push a book placed on a table. If the normal force of the book is 51.7 newtons, what is the coefficient of kinetic friction? A) .01 B) .20 C) .38 D) .48April 7, 2015

7th grade math (probability)
I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up ...March 30, 2015

7th grade math (probability)
Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...March 26, 2015

7th grade math
Can you check these? 1. Jonelle is running on a track that is 2/3 of a mile long. So far she has run 4/5 of the way around the whole trace. How far has she run so far? Ans: (2/3)(4/5) =8/15 mile 2. A recipe for muffins needs 3/4 of a cup of milk. You are making 1/2 of the ...March 25, 2015

7th grade math
1. Evan withdrew a total of $160 from an ATM machine over a 4-day period. He withdrew the same amount of money each day. a. Write an expression to represent the total amount that Evan's account changed each day. Ans: 4d b. What integer represents the total amount that Evan...March 24, 2015

Math - 7th grade (repost)
Can someone please help? I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?March 18, 2015

Math - 7th grade
I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?March 17, 2015

math
Find the fifth term of a geometric sequence whose fourth term is 8/9 and whose seventh term is 64/243.March 16, 2015

math
The concentration (in milligrams per liter) of an antibiotic in the blood is given by the geometric series A + Aekt + Ae2kt + + Ae(n − 1)kt where A is the number of milligrams in one dose of the antibiotic, n is the number of doses, t is the time between doses, and k is ...March 15, 2015

Science - 7th grade (repost)
Can you check my homework? 38. How does natural selection lead to evolution? a. Organisms mutate to adapt to their environment. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for stronger members of the species. d. ...March 12, 2015

Science - 7th grade
Can you check the following? Experiment A: Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After three weeks on the diet, the rats masses are measured again to see if ...March 11, 2015

Math - 7th grade
Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. ...March 11, 2015

Chemistry
The vapor pressure is dependent upon the temperature and since the temperature is the same in both jars the vapor pressure is the same.March 11, 2015

math
OQRS IS A QUADRILATERAL SUCH THAT OQ= -6,3 OR= -3,7 AND OS 1,5. T IS THE POINT ON OQ SUCH THAT OT:TQ= 2:2. PROVE QRST IS A PARALLELOGRAMFebruary 25, 2015

chemistry
You add 8.7g of iron to 21.30mL of water and observe that the volume of iron and water together is 22.41mL . Calculate the density of iron.February 22, 2015

physics
An object travels at 5.00 m/s in the +x direction and 4.00 m/s in the +y direction. What is the magnitude of its velocity?February 17, 2015

physics
An object has a velocity of 5.00 m/s at an angle of 30.0˚ north of east. If we define east as the +x direction and north as the +y direction, what is the magnitude of vy?February 17, 2015

physics
A person walks 4.0 miles east and then makes a 50° turn to the right and walks another 2.0 miles. How far is she from her starting point?February 17, 2015

Science - 7th grade
Can you check the following: 1. Draw a Punnett Square to show a dog breeder inbreeding to maintain a purebred line of golden retrievers. Ans: would the parental cross look like Gg x GG or GG x GG? 2. Draw a Punnett Square to show a farmer crossing a plant that produces a large...February 15, 2015

math
I am a positive integer less that 30, two more than my value is a mulitple of 6 the sum of my digits is a mulitple of 7 find this numberFebruary 13, 2015

Physics
A magnifier has a magnification of 6x. How far from the lens should an object be held so that its image is at the near point distance of 25 cm? I tried doing the problem by using the equation M = 25cm / f. M = 25 cm/6 = 4.17 cm However when I put the answer into mastering ...February 10, 2015

7th grade math
Can you check the following? 1. Alicia shoots basketball at a hoop 100 times. She hits the backboard and misses with 2/5 of her hots, hits the rim and misses with 32% of her shots and makes basket with rest of her shots. How many baskets did she make? A. 68 B. 40 C. 32 D. 28 ...February 2, 2015

physics
An astronaut visits a moon of Saturn, and decides to measure the accel. of gravity. He ties a rock (m=2 kg) to a rope (1.25 m), pulls the rock back 10 degrees, and releases it into simple harmonic motion. What is the accel due to gravity on the moon? (*I have no idea where to ...February 1, 2015

physics
The effective k of the diving board shown here is 1675 N/m. A heavy diver is bouncing up and down at the end of the diving board. With what frequency does he bounce up and down? How long does it take for him to complete one bounce (up and down)? What is the mass of the man? I ...February 1, 2015

7th grade science
Can you help me with genetics questions? Directions: In each set, tell which word does not fit with the others. Then explain why you think it does not. You must mention all words. 1. Aa, Heterozygous, Hybrid, Homozygous Ans: Homozygous doesn't belong because letters are ...January 29, 2015

7th grade LA
Choose the correct evaluation of each underlined word. (Larsen's underlined in this sentence) 6. The Larsens decided not to shutter their windows even though they were taking vacation at the height of hurricane season. A. Larsens contains a correct apostrophe. ...January 26, 2015